In a study of the adequacy of fuel supplies, C stands for the event that a power plart will use coal, and E is the event that it will be able to…

In a study of the adequacy of fuel supplies, C stands for the event that a power plart will use coal, and E is the event that it will be able to provide enough electricity. State in words the probabilities expressed by 5.20 (e) P(Cn E); (c) P(C U E); (f) P(C’nE).